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Division 3 The lean meat content of a carcass shall be calculated according to the following formula:

United Kingdom

Original text. Later amendments are not shown.

Ŷ = 58,81491 – 0,64150 × X1 + 0,16873 × X2

where:

Ŷ

  • the estimated percentage of lean meat in a carcass,

    • X1

  • the minimal thickness of fat (including rind) in millimetres, over the M. gluteus medius,

    • X2

  • the thickness of the lumbar muscle in millimetres, measured as the shortest distance from the front (cranial) end of the M. gluteus medius to the upper (dorsal) edge of the spinal canal.

    • This formula shall be valid for a carcass weighing between 60 and 130 kilograms.